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comparison gcc/testsuite/gcc.dg/float-range-3.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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children 1830386684a0
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68:561a7518be6b 111:04ced10e8804
1 /* PR 23572 : warnings for out of range floating-point constants. */
2 /* { dg-do compile } */
3 /* { dg-options "-std=c99" } */
4 /* { dg-skip-if "No Inf support" { spu-*-* } } */
5 #include <math.h>
6
7 #ifndef INFINITY
8 #define INFINITY (__builtin_inff ())
9 #endif
10
11 void overflow(void)
12 {
13 float f1 = 3.5E+38f; /* { dg-warning "floating constant exceeds range" } */
14 float f2 = -3.5E+38f; /* { dg-warning "floating constant exceeds range" } */
15 float f3 = INFINITY;
16 float f4 = -INFINITY;
17
18 double d1 = 1.9E+308; /* { dg-warning "floating constant exceeds range" } */
19 double d2 = -1.9E+308; /* { dg-warning "floating constant exceeds range" } */
20 double d3 = INFINITY;
21 double d4 = -INFINITY;
22 }
23
24 void underflow(void)
25 {
26 float f11 = 3.3E-10000000000000000000f; /* { dg-warning "floating constant truncated to zero" } */
27 float f22 = -3.3E-10000000000000000000f; /* { dg-warning "floating constant truncated to zero" } */
28 float f1 = 3.3E-46f; /* { dg-warning "floating constant truncated to zero" } */
29 float f2 = -3.3E-46f; /* { dg-warning "floating constant truncated to zero" } */
30 float f3 = 0;
31 float f4 = -0;
32 float f5 = 0.0;
33 float f6 = -0.0;
34
35 double d11 = 3.3E-10000000000000000000; /* { dg-warning "floating constant truncated to zero" } */
36 double d22 = -3.3E-10000000000000000000; /* { dg-warning "floating constant truncated to zero" } */
37 double d1 = 1.4E-325; /* { dg-warning "floating constant truncated to zero" } */
38 double d2 = -1.4E-325; /* { dg-warning "floating constant truncated to zero" } */
39 double d3 = 0;
40 double d4 = -0;
41 double d5 = 0.0;
42 double d6 = -0.0;
43 }